Home / 63,969,846.40-95,954,769.60-42,428,771.20

Finding the Fourth Proportional to 63,969,846.40, 95,954,769.60 and 42,428,771.20

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Solution

The fourth proportional to 63,969,846.40, 95,954,769.60 and 42,428,771.20 is: 63,643,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,969,846.40 : 95,954,769.60 = 42,428,771.20 : x
  2. Step 2: Convert to fraction form
    63,969,846.40/95,954,769.60 = 42,428,771.20/x
  3. Step 3: Cross multiply
    63,969,846.40x = 95,954,769.60 × 42,428,771.20
  4. Step 4: Simplify right side
    63,969,846.40x = 4,071,242,964,907,115.50
  5. Step 5: Solve for x
    x = 4,071,242,964,907,115.50/63,969,846.40
  6. Step 6: Final answer
    x = 63,643,156.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.